The B285LB2S from Knowles is a Bandpass Filter with a passband from 27.5 to 29.5 GHz for 5G applications. It has an insertion loss of less than 3.5 dB and a return loss of 15 dB in the passband. The filter provides 50 dB of rejection above and below the passband. It utilizes DLI’s low loss temperature stable materials which offer small size and minimal performance variation over temperature. The RoHS-compliant filter is available in a surface-mount package that measures 8.32 x 3.00 x 2.00 mm.